{
  "id": "http://example.com/auth.json",
  "title": "Public Library",
  "description": "Enter a valid library card number and PIN code to authenticate on our service.",
  "links": [
    {"rel": "logo", "href": "http://example.com/logo.jpg", "type": "image/jpeg", "width": 90, "height": 90},
    {"rel": "help", "href": "mailto:support@example.org"},
    {"rel": "help", "href": "tel:1800836482"},
    {"rel": "help", "href": "http://example.com/support", "type": "text/html"},
    {"rel": "register", "href": "http://example.com/registration", "type": "text/html"}
  ],
  "authentication": [
    {
      "type": "http://opds-spec.org/auth/basic",
      "labels": {
        "login": "Library card",
        "password": "PIN"
      }
    },
    {
      "type": "http://opds-spec.org/auth/oauth/implicit",
      "links": [
        {"rel": "authenticate", "href": "http://example.com/oauth", "type": "text/html"},
        {"rel": "refresh", "href": "http://example.com/oauth/refresh", "type": "application/json"},
      ]
    }
  ]
}
